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power vents
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  1. Roofing/Siding
    I just purchased a 35 year old house and it has about a 1200 square foot attic space. We are planning on adding insulation but I noticed a few things: 1) It only have 8 soffit vents (which need to be unclogged). 2) It has 4 mushroom vents and one power vent. 3) The power vent no longer...
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